Parana Palliya Guruge Roshan vs Gunasekara, Investigation Officer, Secret Intelligence Unit – CA/WRIT/0039/2025-2025

In the case between Parana Palliya Guruge Roshan and Maddumage Supriya Dinesh (Plaintiffs) and the officers of the Secret Intelligence Unit and the Commission to Investigate Allegations of Bribery or Corruption (Defendants), the court addressed the issue of whether investigating officers acting under the authority of the Commission could be restrained by writ under Article 140 of the Constitution, notwithstanding the statutory limitations prescribed by section 160 of the Anti-Corruption Act. It was determined that applications seeking to restrain such officers, though framed as acts against individuals, would have the effect of impeding the statutory investigative functions of the Commission. The holding reaffirmed that challenges directed solely at the officers, rather than the Commission